Name of the exam. NIMI Sheet metal worker trade Exam 2022. Official Website. https://nimi.gov.in/. Type of Questions. Objective-type Multiple Choice Questions (MCQs) Language. Candidates can take NIMI Sheet metal worker trade paper in English, Hindi, Marathi, Telugu, Tamil, Oriya, Bengali, Kannada. Exam Mode. As a sheet metal worker, you will be employed by sheet metal, air-conditioning and heating contractors involved in residential, commercial and industrial construction. You will do a lot of custom fabrication to match job requirements. Depending on the project requirements, you may work indoors or outdoors. You will do some of the production in.